期刊
FASEB JOURNAL
卷 20, 期 2, 页码 227-233出版社
FEDERATION AMER SOC EXP BIOL
DOI: 10.1096/fj.05-4147com
关键词
growth factors; evolutionary conservation; Flt-1/KDR
Members of the platelet-derived growth factor/vascular endothelial growth factor (PDGF/VEGF) family have been implicated in a variety of functions in vertebrates, especially angiogenesis. Here we identify and characterize a PDGF/VEGF-like factor (named PVF-1) from the nematode C. elegans. We show that PVF-1 has biochemical properties similar to vertebrate PDGF/VEGF growth factors. More important, PVF-1 binds to the human receptors VEGFR-1 (Flt-1) and VEGFR-2 (KDR) and is able to induce angiogenesis in two model systems derived from vertebrates. Our results highlight the widespread evolutionary conservation of this important class of growth factors and raise the possibility that C. elegans can provide a simple experimental system in which to investigate how these factors function.
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